The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 04, 1997
Filed:
Feb. 17, 1995
Josef Dusing, Leutkirch, DE;
Katenbach & Voigt GmbH & Co., Biberach, DE;
Abstract
In a motorized handpiece (101), in particular for medical purposes, preferably for a medical or dental laboratory, with a clamping device (106) arranged in a sleeve-like casing (111) for the selective mounting of tools (105) which may be inserted into the handpiece (101) from the front, whereby for opening and closing the clamping device (106) a moveably mounted actuating part (104a) is provided which is accessible at the circumference of the motorized handpiece (101), whereby the clamping device (106) is arranged on a drive shaft (107), which is mounted by means of a casing (101) rotatable by means of a rear and a forward roller bearing (113, 114), whereby the actuating part (104a) is connected with the clamping device (106) by way of an actuating mechanism (108), and whereby a sealing system (146) is associated with the forward roller bearing (114) on the forward side of the roller bodies thereof, which has at least one sealing disk (146a) which is effective between the inner and the outer ring (114a, 114b), one or two further sealing elements (146b, 146c) are arranged before the sealing disk (146a), of which at least the sealing element (146b) neighbouring the sealing disk (146a) cooperates with the inner and outer ring (114a, 114b) of the roller bearing (114).